Twenty amazing facts 1. There are 62,000 miles of blood vessels in the human body – laid end to end they would circle the earth 2.5 times
2. At over 2000 kilometers long, The Great Barrier Reef is the largest living structure on Earth
3. The risk of being struck by a falling meteorite for a human is one occurrence every 9,300 years
4. A thimbleful of a neutron star would weigh over 100 million tons
5. A typical hurricane produces the energy equivalent of 8,000 one megaton bombs6. Blood sucking hookworms inhabit 700 million people worldwide
7. The highest speed ever achieved on a bicycle is 166.94 mph, by Fred Rompelberg
8. We can produce laser light a million times brighter than sunshine
9. 65% of those with autism are left handed
10. The combined length of the roots of a Finnish pine tree is over 30 miles11. The oceans contain enough salt to cover all the continents to a depth of nearly 500 feet
12. The interstellar gas cloud Sagittarius B contains a billion, billion, billion liters of alcohol [JFrater is planning to move there in the near future]
13. Polar Bears can run at 25 miles an hour and jump over 6 feet in the air
14. 60-65 million years ago dolphins and humans shared a common ancestor
15. Polar Bears are nearly undetectable by infrared cameras, due to their transparent fur16. The average person accidentally eats 430 bugs each year of their life
17. A single rye plant can spread up to 400 miles of roots underground
18. The temperature on the surface of Mercury exceeds 430 degrees C during the day, and, at night, plummets to minus 180 degrees centigrade
19. The evaporation from a large oak or beech tree is from ten to twenty-five gallons in twenty-four hours
20. Butterflies taste with their hind feet, and their taste sensation works on touch – this allows them to determine whether a leaf is edible
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1Chemistry is a fascinating science, full of unusual trivia! Here are some fun and interesting chemistry facts for you. * The only elements that are liquid at room temperature are bromine and mercury. However, you can melt gallium by holding a lump in the warmth of your hand. * Unlike many substances, water expands as it freezes. An ice cube takes up about 9% more volume than the water used to make it. * If you pour a handful of salt into a full glass of water, the water level will actually go down rather than overflowing the glass. * There is about 1/2 lb or 250 g of salt (NaCl) in the average adult human body. * A pure element can take many forms. For example, diamond and graphite both are forms of pure carbon. * The chemical name for water (H2O) is dihydrogen monoxide. * The only letter that doesn't appear on the periodic table is J. * Lightning strikes produce O3, which is ozone, and strengthen the ozone layer of the atmosphere. * The only two non-silvery metals are gold and copper. * Although oxygen gas is colorless, the liquid and solid forms of oxygen are blue. * The human body contains enough carbon to provide 'lead' (which is really graphite) for about 9,000 pencils. * Hydrogen is the most abundant element in the universe, while oxygen is the most abundant element in the earth's atmosphere, crust, and oceans (about 49.5%). * The rarest naturally-occurring element in the earth's crust may be astatine. The entire crust appears to contain about 28 g of the element. * Hydrofluoric acid is so corrosive that it will dissolve glass. Although it is corrosive, hydrofluoric acid is considered to be a 'weak acid'. * One bucket full of water contains more atoms than there are bucketfuls of water in the Atlantic ocean. * Approximately 20% of the oxygen in the atmosphere was produced by the Amazon rainforest. * Helium balloons float because helium is lighter than air. * Bee stings are acidic while wasp stings are alkaline. * Hot peppers get their heat from a molecule called capsaicin. While the molecule acts as an irritant to mammals, including humans, birds lack the receptor responsible for the effect and are immune to the burning sensation from exposure. * Dry ice is the solid form of carbon dioxide, CO2. * Liquid air has a bluish tint, similar to water